August weather forecast
Wewela, SD

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Weather in August

The last month of the summer, August, is another warm month in Wewela, South Dakota, with an average temperature fluctuating between 85.8°F (29.9°C) and 63.9°F (17.7°C).

Temperature

With August's arrival, Wewela, South Dakota, notes an average high-temperature of a warm 85.8°F (29.9°C), closely following the trend of the preceding month. Wewela's nighttime temperatures in August reflect a stark contrast to the day's highs, falling to an average low of 63.9°F (17.7°C).

Heat index

The heat index value for August is appraised at a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

August and September, with an average relative humidity of 57%, are the least humid months.

Rainfall

In Wewela, in August, it is raining for 11.8 days, with typically 1.46" (37mm) of accumulated precipitation. In Wewela, during the entire year, the rain falls for 103.9 days and collects up to 16.85" (428mm) of precipitation.

Snowfall

In Wewela, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:59 pm. On the last day of August, sunrise is at 7:03 am and sunset at 8:15 pm CDT.

Sunshine

In August, the average sunshine in Wewela is 11h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Wewela, South Dakota. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

Is it hot in Wewela during August?

The average high-temperature and low-temperature during August are 85.8°F (29.9°C) and 63.9°F (17.7°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What are the least humid months in Wewela?

August and September, with an average relative humidity of 57%, are the least humid months.

What is the average humidity in August in Wewela?

The average relative humidity in August in Wewela is 57%.

How many days does it rain in August in Wewela?

In Wewela, South Dakota, during August, the rain falls for 11.8 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Wewela?

In Wewela, South Dakota, snow does not fall in June through September.

What is the average length of the day in August in Wewela?

In August, the average day length in Wewela is 13h and 53min.

What time are sunrise and sunset in August in Wewela?

On the first day of August in Wewela, sunrise is at 6:30 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 8:15 pm CDT.

How long on average sun shines in August in Wewela?

The average sunshine duration in August in Wewela is 11h.

When is the highest UV index in Wewela?

The months with the highest UV index in Wewela are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Wewela?

The average daily maximum UV index in August in Wewela is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Wewela, SD

Average temperature in August - Wewela, SD
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in August
Wewela, SD

Average pressure in August - Wewela, SD
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Wewela, SD

Average wind speed in August - Wewela, SD
  • Average wind speed in August: 9.8mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in August
Wewela, SD

Average humidity in August - Wewela, SD
  • Average humidity in August: 57%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in August
Wewela, SD

Average rainfall in August - Wewela, SD
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in August
Wewela, SD

Average rainfall days in August - Wewela, SD
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in August
Wewela, SD

Average snowfall in August - Wewela, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Wewela, SD

Average snowfall days in August - Wewela, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Wewela, SD

Average daylight in August / Average sunshine in August - Wewela, SD
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in August
Wewela, SD

Average sunshine days in August - Wewela, SD
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in August
Wewela, SD

Average UV index in August - Wewela, SD
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Wewela, SD

Average cloud cover in August - Wewela, SD
  • Average cloud cover in August: 20

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in August
Wewela, SD

Average visibility in August - Wewela, SD
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Wewela, South Dakota, USA

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